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| 035 | _aUPN01000067626 | ||
| 100 | 1 | _aSinger, Ronald A | |
| 222 | _aCOMPUTERS AND EDUCATION | ||
| 245 | _aCircuit II-A conversational graphical interface | ||
| 300 | _a17-25 | ||
| 362 | 0 | _a1993 Vol. 20, no. 1 | |
| 653 | 0 | _aGRAFICAS EN COMPUTADORA | |
| 653 | 0 | _aLINGÜISTICA | |
| 653 | 0 | _aORGANISMO MECANICO HUMANO | |
| 653 | 0 | _aSINTAXIS | |
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| 905 | _aArticulo | ||
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